<?php
class Default_Model_LoaiPhongMapper {

	protected $_dbTable;
	protected $db;

	public function setDbTable($dbTable) {
		if (is_string($dbTable)) {
			$dbTable = new $dbTable();
		}
		if (!$dbTable instanceof Zend_Db_Table_Abstract) {
			throw new Exception('Invalid table data gateway provided');
		}
		$this->_dbTable = $dbTable;
		return $this;
	}

	public function getDbTable() {
		if (null === $this->_dbTable) {
			$this->setDbTable('Default_Model_DbTable_LoaiPhong');
		}
		return $this->_dbTable;
	}

	public function getDb() {
		if ($this->db === null) {
			$this->db = Zend_Registry::get('connectDB');
		}
		return $this->db;
	}
	
	/*
	 *processResultSet
	 */
	private function processResultSet($resultSet) {
		$entries = array();
		foreach ($resultSet as $row) {
			$entry = new Default_Model_TableColumn_LoaiPhong($row);
			$entries[] = $entry;
		}
		return $entries;
	}
	
	/*
	 *fetch
	 */
	public function fetchAll($query = null) {
		if ($query === NULL) {
			$resultSet = $this->getDbTable()->fetchAll();
		} else {
			$table = $this->getDbTable();
			$select = $table->select();
			$select->from($table)
				   ->where($query);
			$resultSet = $this->getDbTable()->fetchAll($select);
		}
		return $this->processResultSet($resultSet->toArray());
	}
}